Diodes Incorporated MBR3100VPTR-G1

Overview

MBR3100VPTR-G1 from Diodes Incorporated is a high-voltage Schottky rectifier in DO-214AC package, rated for 100 V peak reverse voltage, 3 A average forward current, and 0.85 V max forward voltage at +25°C. It delivers low switching losses and low noise in high-frequency switch-mode power supplies, especially in output rectification stages of AC/DC and DC/DC converters.

For engineers reviewing the MBR3100VPTR-G1 datasheet, MBR3100VPTR-G1 pinout, MBR3100VPTR-G1 application, or MBR3100VPTR-G1 equivalent, key selection criteria include its 80 A non-repetitive surge rating, 150°C junction temperature capability, guard-ring stress protection, RoHS-compliant green packaging, and thermal resistance of 20°C/W (junction-to-lead) under heatsink mounting.

Technical Context

This Schottky rectifier uses a planar epitaxial construction with a guard-ring structure to enhance voltage blocking stability and transient robustness. Its low forward voltage drop and fast recovery (no minority-carrier storage) minimize conduction and switching losses in high-frequency (>100 kHz) power conversion topologies.

The device operates across –65°C to +150°C junction temperature range and supports dv/dt up to 10,000 V/µs. Its 0.5 mA max reverse leakage at 25°C and 2.0 mA at 125°C enables stable performance in thermally demanding environments without thermal runaway risk.

Key Specifications

Pinout & Package

Package: DO-214AC (SMC), molded plastic case with matte tin–annealed copper leadframe, UL 94V-0 rated, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage Schottky rectifier applications.

Compared with SS310H and SB3100, the MBR3100VPTR-G1 offers the lowest RθJL (20°C/W), best high-temperature IR stability, and integrated guard-ring protection-making it optimal for thermally constrained, high-reliability power rails requiring long-term parametric consistency.

Availability

MBR3100VPTR-G1 is available at Aetrix Electronics and suitable for server power supplies, industrial DC/DC converters, and medical AC/DC adapters requiring stable component supply, RoHS-compliant green packaging, and consistent thermal performance across production batches.

Supply support for MBR3100VPTR-G1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-efficiency power management and signal integrity solutions for industrial, computing, and consumer markets.

The MBR3100 belongs to Diodes' high-voltage Schottky rectifier product line, engineered specifically for high-frequency, low-loss power conversion in space- and thermally-constrained switch-mode power supplies.

FAQ

What is the maximum allowable case temperature for continuous 3 A operation?

The MBR3100VPTR-G1 supports 3 A average forward current at a case temperature of +141°C, as specified in its Absolute Maximum Ratings table. Operation above this temperature requires derating per Figure 3 in the datasheet, which shows IF(AV) decreasing linearly to 0 A at +155°C case temperature under recommended pad layout.

Does the "G1" suffix indicate full RoHS 3 compliance?

Yes. The "G1" suffix denotes Diodes Incorporated's Green package: lead-free, halogen-free (<900 ppm Br/Cl), antimony-free (<1000 ppm), and compliant with EU Directive 2015/863/EU (RoHS 3). Full compliance details are documented in Diodes' Green Products Policy and verified via third-party material testing.

Can this diode replace a standard PN junction rectifier in an existing 100 kHz flyback design?

Yes-provided layout parasitics are reviewed. The MBR3100VPTR-G1 eliminates reverse recovery charge (Qrr ≈ 0), reducing switching loss and EMI. However, its higher reverse leakage versus silicon diodes requires verification in high-impedance feedback or bias networks where IR could affect regulation accuracy.

Is the DO-214AC package compatible with standard SMC footprint reflow profiles?

Yes. The DO-214AC (SMC) package uses matte tin–annealed leads and complies with IPC/JEDEC J-STD-020 moisture sensitivity level 1. Standard lead-free reflow profiles (peak 260°C, 60-second duration) are fully supported when using recommended pad dimensions (X = 5.6 mm, Y = 2.1 mm, G = 1.6 mm) per Diodes' package outline DS36956.